Planned Features

Feature	Status
Disk-based persistence	✅ Implemented
Write-Ahead Logging (WAL)	✅ Implemented
Crash recovery	✅ Implemented
Basic SQL operations (CRUD)	✅ Implemented
Indexes & query optimization	✅ Implemented
Advanced WHERE clauses	✅ Implemented
Transactions & ACID compliance	✅ Implemented
Concurrency & locking	✅ Implemented
Custom wire protocol	✅ Implemented
CLI client (haru-cli)	✅ Implemented
Authentication & TLS	✅ Implemented
Multi-user support	✅ Implemented
Backup & restore	✅ Implemented
Docker & Kubernetes deployment	✅ Ready